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javascript获取上传图片大小不一致帮我看下 代码如下

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head> 
</head> 

<body> 
<style>
  img{
    /*display: none;*/
  }
</style>


<script language="javascript" type="text/javascript">
        function getImgSize(obj,imgSrc){
          var u_agent = navigator.userAgent; 
          var myPic = document.getElementById(imgSrc);
          if(u_agent.indexOf("MSIE")>-1){ 
              document.getElementById(imgSrc).src = obj.value;
          }else{
              document.getElementById(imgSrc).src = window.URL.createObjectURL(obj.files[0]);
          }
          var size = myPic.fileSize || obj.files[0].fileSize || obj.files[0].size;
          alert((size/1024).toFixed(2))//在ie情况下弹出的结果和选择的图片不一致 帮我看看
          if((size/1024).toFixed(2)>1024*2){
            alert("上传图片大于2M不能上传");
            document.getElementById(imgSrc).src = null;
          }else{
          }
        }
</script>




<form enctype="multipart/form-data" method="post" name="<?=$uploadtext?>">
<input type="file" name="add_logo" id="add_logo" onchange="getImgSize(this,'Image');" />
<input type="submit" name="submit" value="上传"/>
</form>


<img id="Image" name="Image" src="" style="height:160px;width:247px;border-width:0px;" />
</body> 
</html>

javascript获取上传图片大小在ie下不一致帮我看下 代码如下

阿神阿神2901 days ago318

reply all(1)I'll reply

  • 伊谢尔伦

    伊谢尔伦2017-04-10 15:00:35

    img.attachEvent("onreadystatechange",function() {
    alert(img.fileSize);
    });

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